:root {
  --bg: #050816;
  --bg-soft: #0b1020;
  --accent: #ff6b3d;
  --accent-soft: rgba(255, 107, 61, 0.15);
  --text: #f5f5f7;
  --muted: #9ca3af;
  --border: rgba(148, 163, 184, 0.25);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.75);
  --shadow-card: 0 18px 45px rgba(15, 23, 42, 0.8);
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #1f2937 0, #020617 45%, #000 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Общие контейнеры и типографика */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 72px 0;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
}

.section-subtitle {
  margin: 0 0 32px;
  max-width: 640px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.section-heading-sm {
  margin: 24px 0 8px;
  font-size: 18px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top, rgba(15,23,42,0.96) 0, rgba(15,23,42,0.94) 40%, rgba(2,6,23,0.96) 100%);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}

.logo i {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #f97316 0, #ea580c 30%, #7c2d12 70%, #020617 100%);
  box-shadow: 0 0 0 1px rgba(15,23,42,0.4), 0 16px 30px rgba(248, 113, 22, 0.65);
}

/* Language switch */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(148,163,184,0.45);
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}

.lang-btn.active {
  background: radial-gradient(circle at top left, #f97316, #ea580c);
  color: #0f172a;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  position: relative;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 4px;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #fb923c, #ecfeff);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.btn-primary {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(248, 113, 22, 0.5);
  background: radial-gradient(circle at top left, #f97316 0, #ea580c 40%, #7c2d12 100%);
  color: #0f172a;
  font-weight: 600;
  box-shadow: 0 12px 25px rgba(248, 113, 22, 0.6);
}

/* Burger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #e5e7eb;
  transition: transform var(--transition), opacity var(--transition);
}

/* Hero */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 72px 0 80px;
  background-image:
    radial-gradient(circle at 0 0, rgba(56,189,248,0.18) 0, transparent 55%),
    radial-gradient(circle at 100% 30%, rgba(248,113,22,0.22) 0, transparent 55%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("https://images.pexels.com/photos/672532/pexels-photo-672532.jpeg");
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero .overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0, rgba(15,23,42,0.85) 0, rgba(2,6,23,0.9) 40%, rgba(0,0,0,0.96) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-tagline {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #a5b4fc;
  margin: 0 0 14px;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
}

.hero h1 span {
  background: linear-gradient(135deg, #fbbf24, #fb923c, #38bdf8);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-text {
  font-size: 15px;
  line-height: 1.7;
  max-width: 520px;
  color: var(--muted);
  margin: 0 0 22px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid rgba(248,113,22,0.65);
  padding: 9px 18px;
  font-size: 14px;
  background: radial-gradient(circle at top left, #f97316 0, #ea580c 40%, #7c2d12 100%);
  color: #0f172a;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 14px 30px rgba(248, 113, 22, 0.7);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(248,113,22,0.85);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  background: rgba(15,23,42,0.75);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.btn-outline:hover {
  border-color: rgba(148,163,184,0.8);
  background: rgba(15,23,42,0.95);
  transform: translateY(-1px);
}

.btn-large {
  padding: 11px 22px;
  font-size: 15px;
}

/* Hero icons */
.hero-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-icon {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.5);
  background: radial-gradient(circle at top left, rgba(31,41,55,0.9), rgba(15,23,42,0.98));
  box-shadow: 0 12px 28px rgba(15,23,42,0.9);
  color: #e5e7eb;
}

.hero-icon i {
  color: #f97316;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148,163,184,0.35);
  background: radial-gradient(circle at top, rgba(31,41,55,0.9) 0, rgba(15,23,42,0.98) 45%, #020617 100%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(248,113,22,0.16), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 60px rgba(15,23,42,0.9);
  border-color: rgba(248,113,22,0.7);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 20px;
  margin-bottom: 8px;
  color: #fb923c;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* Accent section */
.section-accent {
  background: radial-gradient(circle at 0 0, rgba(56,189,248,0.16) 0, transparent 55%),
              radial-gradient(circle at 100% 0, rgba(248,113,22,0.16) 0, transparent 55%),
              linear-gradient(135deg, #020617, #020617);
  border-top: 1px solid rgba(148,163,184,0.35);
  border-bottom: 1px solid rgba(148,163,184,0.35);
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Two-column layout */
.two-column,
.contact-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 24px;
  align-items: flex-start;
}

/* Info panel */
.info-panel {
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148,163,184,0.45);
  background: radial-gradient(circle at top right, rgba(59,130,246,0.18) 0, transparent 55%),
              radial-gradient(circle at bottom left, rgba(248,113,22,0.18) 0, transparent 55%),
              rgba(15,23,42,0.96);
  box-shadow: var(--shadow-card);
  font-size: 14px;
}

.info-panel h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.info-panel p {
  margin: 0 0 14px;
  color: var(--muted);
}

.info-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.55);
  background: rgba(15,23,42,0.9);
  font-size: 13px;
  color: #e5e7eb;
}

/* Feature list */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 10px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--muted);
}

.feature-list i {
  color: #f97316;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(15,23,42,0.95);
  border: 1px solid rgba(148,163,184,0.5);
  color: #e5e7eb;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148,163,184,0.4);
  background: #020617;
  box-shadow: var(--shadow-card);
}

.gallery-item img {
  width: 100%;
  display: block;
  height: 180px;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.4s ease, filter 0.4s ease;
}

.gallery-item figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #0f172a;
  background: rgba(248,250,252,0.92);
  backdrop-filter: blur(6px);
}

.gallery-item:hover img {
  transform: scale(1.06);
  filter: brightness(1.05) saturate(1.15);
}

/* Contact form */
.contact-form {
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148,163,184,0.45);
  background: radial-gradient(circle at top, rgba(59,130,246,0.18) 0, transparent 55%),
              rgba(15,23,42,0.97);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: #e5e7eb;
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148,163,184,0.6);
  background: rgba(15,23,42,0.96);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.input-wrapper i {
  font-size: 14px;
  color: #9ca3af;
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  width: 100%;
  font-family: inherit;
}

.input-wrapper textarea {
  resize: vertical;
}

.input-wrapper-textarea {
  align-items: flex-start;
}

.input-wrapper:focus-within {
  border-color: #f97316;
  box-shadow: 0 0 0 1px rgba(248,113,22,0.5);
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
  color: #6b7280;
}

.form-success {
  margin-top: 10px;
  font-size: 13px;
  color: #22c55e;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 16px 0 18px;
  background: radial-gradient(circle at top, rgba(15,23,42,0.98) 0, #020617 55%);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--muted);
}

.footer-note {
  color: #6b7280;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-socials a {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #e5e7eb;
  border: 1px solid rgba(148,163,184,0.5);
  background: rgba(15,23,42,0.95);
  text-decoration: none;
  font-size: 13px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
}

.footer-socials a:hover {
  background: radial-gradient(circle at top left, #f97316, #ea580c);
  border-color: transparent;
  color: #0f172a;
  box-shadow: 0 12px 28px rgba(248,113,22,0.7);
}

/* Responsive */
@media (max-width: 900px) {
  .two-column,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .info-panel {
    order: -1;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .section {
    padding: 56px 0;
  }

  .hero {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .section-title {
    font-size: 26px;
  }

  .cards-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    inset: 54px 0 auto;
    padding: 10px 16px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    background: radial-gradient(circle at top, rgba(15,23,42,0.99) 0, #020617 70%);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 720px) {
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}